The topic of having horses go barefoot vs. shod has been discussed at several American Association of Equine Practitioners (AAEP) Annual Conventions and always generates some very informative dialog while raising many important questions. I must say from the onset that I favour horses being maintained without shoes when possible, but it depends on multiple factors.
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Should My Horse Be Barefoot or Shod? It Depends.
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How often should a horse's front feet be trimmed/shoed, and what are the consequences of neglecting this process? - Quora
Should My Horse Be Barefoot or Shod? It Depends.